19987006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6053}}^1$

素因数の和:6195

約数の個数: 16

約数和(自身を含む): 32546304

約数和(自身を除く): 12559298

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 6053, 12106, 78689, 157378, 768731, 1537462, 9993503, 19987006]

約数ペア:

[(1, 19987006), (2, 9993503), (13, 1537462), (26, 768731), (127, 157378), (254, 78689), (1651, 12106), (3302, 6053)]